<|begin_of_text|><|start_header_id|>system<|end_header_id|>Calculate the total emissions change based on activity and energy intensity changes.<|eot_id|><|start_header_id|>user<|end_header_id|>Activity contribution: 7%; Energy intensity contribution: -4%.<|eot_id|><|start_header_id|>assistant<|end_header_id|>The total emissions change is 3%.<|eot_id|>